A broken jaw, or, mandibular fracture, is in the bonne injury category. It is a facial injury that can be common. The jaw is the tenth most fractured bone in the human body, only the nose being fractured more frequently. A broken jaw can be caused by force or trauma in the jawbone, such as a hook or jab to the jawbone. The jawbone is the largest bone in the lower facial area. Men are more likely to break their jaw than
women.